(SC37) [Countach (Kojiki Ouji, Shimao Kazu)] Nazo no Kanojo to SEX (Nazo no Kanojo X)
(C82) [Hanairogaeru (Kitsuneko Anko)] Nazo no Kanojo wa Mitsu no Aji (Nazo no Kanojo X) [English] [biribiri]
(C80) [Otsuhimedou (Otsumaru)] nazokanoH+ (Nazo no Kanojo X)
[Poppenheim (Kamisyakujii Yubeshi)] Kanojo ga Hoka no Otoko wo Eranda Riyuu X | The Reason Why She Chose Another Guy X (Nazo no Kanojo X) [English] [Ero Punch] [Digital]
(SC37) [Countach (Kojiki Ouji, Shimao Kazu)] Nazo no Kanojo to SEX | Mysterious Girlfrend SEX (Nazo no Kanojo X) [English] [Chocolate]
[After Moon (Misakiguchi Puku)] Nazo no Kanojotachi no XXX (Nazo no Kanojo X) [Digital]
[Poppenheim (Kamisyakujii Yubeshi)] Kanojo ga Hoka no Otoko wo Eranda Riyuu X (Nazo no Kanojo X) [Digital]
(COMIC1☆11) [Nazo no Akanekokan, Nazo no Kuronekokan (Kuroneko Yuge)] Injuu Daiseisen Sei Juu no Ichi - Shokushu Rinne Hen (Inju Seisen Twin Angels)
(C82) [Hanairogaeru (Kitsuneko Anko)] Nazo no Kanojo wa Mitsu no Aji (Nazo no Kanojo X)
[Purple Salamander] Bakunyuuder Nazo no Arijigoku Otoko
